APA (7th ed.) Citation

Leakey, R. E., & Lewin, R. (1977). Origins : what new discoveries reveal about the emergence of our species and its possible future / (by) Richard E. Leakey and Roger Lewin: What new discoveries reveal about the emergence of our species and its possible future. Macdonald and Jane's.

Chicago Style (17th ed.) Citation

Leakey, Richard E., and Roger Lewin. Origins : What New Discoveries Reveal About the Emergence of Our Species and Its Possible Future / (by) Richard E. Leakey and Roger Lewin: What New Discoveries Reveal About the Emergence of Our Species and Its Possible Future. London: Macdonald and Jane's, 1977.

MLA (9th ed.) Citation

Leakey, Richard E., and Roger Lewin. Origins : What New Discoveries Reveal About the Emergence of Our Species and Its Possible Future / (by) Richard E. Leakey and Roger Lewin: What New Discoveries Reveal About the Emergence of Our Species and Its Possible Future. Macdonald and Jane's, 1977.

Warning: These citations may not always be 100% accurate.